Skeptoid had a very interesting episode [0] on this subject recently. The analysis points to a mass psychogenic event; makes sense. References and further read

Skeptoid had a very interesting episode [0] on this subject recently. The analysis points to a mass psychogenic event; makes sense. References and further reading located at end of article. [0] https://skeptoid.com/episodes/4603 https://skeptoid.com/episodes/4603